CN109867185B - Five square intercom systems of elevator of bus network deployment - Google Patents
Five square intercom systems of elevator of bus network deployment Download PDFInfo
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- CN109867185B CN109867185B CN201910191626.8A CN201910191626A CN109867185B CN 109867185 B CN109867185 B CN 109867185B CN 201910191626 A CN201910191626 A CN 201910191626A CN 109867185 B CN109867185 B CN 109867185B
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Abstract
The invention discloses an elevator five-party intercom system based on bus networking. The method comprises the following steps: the system comprises a monitoring center, a plurality of decoders and a plurality of single-office elevator four-way communication subsystems, wherein each single-office elevator four-way communication subsystem comprises a machine room intercom unit, a car roof intercom unit and a pit intercom unit; the monitoring center is provided with a concentrator and an interphone, the concentrator is provided with a plurality of paths of bus interfaces which are mutually independent, the decoder is connected with the bus interfaces, the bus supports a star topology structure or a bus topology structure, and each single-office elevator four-way calling subsystem is communicated with the interphone of the monitoring center through the decoder. The elevator five-party intercom system with the bus networking provided by the invention not only supports branching wiring, but also supports bus wiring.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to an elevator five-party intercom system with a bus networking function.
Background
With the rapid development of buildings, the wiring of the five-party intercom system of the elevator is diversified. The developer is likely to perform traditional single-form wiring without determining what architecture the five-party intercom system adopts, and then the elevator five-party intercom system is largely inconsistent with the actual wiring, causing unnecessary loss.
Disclosure of Invention
The invention aims to provide a bus networking elevator five-party intercom system which not only supports branching wiring, but also supports bus wiring.
In order to achieve the purpose, the invention provides the following scheme:
the utility model provides a five sides of elevator intercom systems of bus network deployment, includes:
the system comprises a monitoring center, a plurality of decoders and a plurality of single-office elevator four-way communication subsystems, wherein each single-office elevator four-way communication subsystem comprises a machine room intercom unit, a car roof intercom unit and a pit intercom unit;
the monitoring center is provided with a concentrator and an interphone, the concentrator is provided with a plurality of paths of bus interfaces which are mutually independent, the decoder is connected with the bus interfaces, the bus supports a star topology structure or a bus topology structure, and each single-office elevator four-way calling subsystem is communicated with the interphone of the monitoring center through the decoder.
Optionally, the number of the buses is 4.
Optionally, the decoder and the hub interact with each other by using DTMF.
Optionally, the audio signal inside the decoder is coupled through an audio transformer.
Optionally, each of the bus interfaces is configured with an impedance match.
Optionally, the transmission distance of the single bus is 3 KM.
Optionally, each of the buses supports simultaneous data concurrency and resource sharing.
Optionally, the single-office elevator four-way call subsystem adopts two-bus communication.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the elevator five-party intercom system with the bus networking comprises a monitoring center, a plurality of decoders and a plurality of single-office elevator four-party communication subsystems; the monitoring center is provided with a concentrator and an interphone, the concentrator is provided with a plurality of paths of bus interfaces which are mutually independent, the decoder is connected with the bus interfaces, the bus supports a star topology structure or a bus topology structure, and each single-office elevator four-way communication subsystem is communicated with the interphone of the monitoring center through the decoder, so that the elevator five-way intercommunication system provided by the invention supports both branching wiring and bus wiring.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an elevator five-party intercom system with bus networking according to an embodiment of the invention;
fig. 2 is a schematic view of a communication structure of a single-office elevator four-way intercom subsystem in the embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a bus networking elevator five-party intercom system which not only supports branching wiring, but also supports bus wiring.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1, the five-way intercom system for elevators with bus networking provided by the invention comprises: the system comprises a monitoring center, a plurality of decoders and a plurality of single-office elevator four-way communication subsystems, wherein each single-office elevator four-way communication subsystem comprises a machine room intercom unit, a car roof intercom unit and a pit intercom unit;
the monitoring center is provided with a concentrator and an interphone, the concentrator is provided with a plurality of paths of bus interfaces which are mutually independent, the decoder is connected with the bus interfaces, the bus supports a star topology structure or a bus topology structure, and each single-office elevator four-way calling subsystem is communicated with the interphone of the monitoring center through the decoder.
As an embodiment of the present invention, the number of buses is 4.
The concentrator has N talkback networking interfaces, each with automatic impedance matching, but the upper limit is 20 elevators per interface (as long as the devices support the access of the branch and bus within 20 elevators).
All decoders interact with the hub by using DTMF, and operational amplifiers are used as driving signals to achieve the on-load capacity.
The audio signals inside the decoder are coupled through an audio transformer and transmitted to the same audio bus.
The decoder is used as a link for talkback interaction with the 4 sides of the single-office elevator, signal isolation is adopted in the decoder, and audio signals interact through coupling.
The transmission distance of the single bus of the invention is 3 KM. The whole corresponds to 12 KM. Each bus supports concurrent data, resources are shared, and alarm efficiency is higher. Any bus corruption will not affect the remaining three buses.
The single-office elevator four-party talkback subsystem has two parts of communication, one is audio, and the other is signaling interaction. As shown in fig. 2, both communications are carried out over two buses.
The elevator five-party intercom system with the bus networking comprises a monitoring center, a plurality of decoders and a plurality of single-office elevator four-party communication subsystems; the monitoring center is provided with a concentrator and an interphone, the concentrator is provided with a plurality of paths of bus interfaces which are mutually independent, the decoder is connected with the bus interfaces, the bus supports a star topology structure or a bus topology structure, and each single-office elevator four-way communication subsystem is communicated with the interphone of the monitoring center through the decoder, so that the elevator five-way intercommunication system provided by the invention supports both branching wiring and bus wiring.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. The utility model provides a five sides of elevator intercom systems of bus network deployment which characterized in that includes:
the system comprises a monitoring center, a plurality of decoders and a plurality of single-office elevator four-way communication subsystems, wherein each single-office elevator four-way communication subsystem comprises a machine room intercom unit, a car roof intercom unit and a pit intercom unit;
the monitoring center is provided with a hub and an interphone, the hub is provided with a plurality of paths of bus interfaces which are mutually independent, the decoder is connected with the bus interfaces, the bus supports a star topology structure or a bus topology structure, and each single-office elevator four-way calling subsystem is communicated with the interphone of the monitoring center through the decoder;
the bus interface of the hub is divided into a first bus interface and a second bus interface, the topological structure between the first bus interface and the decoder is a bus topological structure, and the topological structure between the second bus interface and the decoder is a star topological structure.
2. The elevator five-way intercom system with bus networking as in claim 1, wherein the number of buses is 4.
3. The bus-networked elevator five-way intercom system according to claim 1, wherein DTMF is used for interaction between said decoder and said hub.
4. The elevator five-way intercom system based on bus networking of claim 1, wherein the audio signal inside the decoder is signal-coupled through an audio transformer.
5. The elevator five-way intercom system with bus networking of claim 1, wherein each bus interface is configured with an impedance match.
6. The system of claim 1, wherein the transmission distance of the single bus is 3 KM.
7. The elevator five-way intercom system with bus networking of claim 1, wherein each of the buses supports simultaneous data concurrency and resource sharing.
8. The elevator five-party intercom system based on bus networking as claimed in claim 1, wherein the single-office elevator four-party call subsystem employs two-bus communication.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910191626.8A CN109867185B (en) | 2019-03-14 | 2019-03-14 | Five square intercom systems of elevator of bus network deployment |
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| CN201910191626.8A CN109867185B (en) | 2019-03-14 | 2019-03-14 | Five square intercom systems of elevator of bus network deployment |
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| CN109867185A CN109867185A (en) | 2019-06-11 |
| CN109867185B true CN109867185B (en) | 2021-03-23 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111246183A (en) * | 2020-03-10 | 2020-06-05 | 杭州海康睿和物联网技术有限公司 | A visual intercom system of elevator for subway station |
| CN113949418B (en) * | 2021-10-18 | 2023-06-09 | 广州桥通电子科技有限公司 | Compatible access system for elevator simulation five-party intercom and radio frequency wireless intercom |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4482032A (en) * | 1983-04-25 | 1984-11-13 | Westinghouse Electric Corp. | Elevator emergency control system |
| CN2847726Y (en) * | 2005-07-29 | 2006-12-13 | 吴喜峰 | Communication device special for lift |
| CN201601728U (en) * | 2009-09-18 | 2010-10-06 | 常州易网通讯有限公司 | ENC elevator professional intercom system |
| CN203313341U (en) * | 2013-04-28 | 2013-11-27 | 北京科苑隆科技有限公司 | Elevator intercom integrated system |
| CN104410759A (en) * | 2014-11-14 | 2015-03-11 | 广州广日电梯工业有限公司 | Digital speech communication device for elevator and communication method |
| CN108429570A (en) * | 2018-03-14 | 2018-08-21 | 广州科坦电子技术有限公司 | A kind of five side's intercom system of numerical model analysis |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207596269U (en) * | 2017-12-13 | 2018-07-10 | 甘肃省建筑设计研究院 | A kind of elevator intercommunication phone system based on security protection net |
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2019
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4482032A (en) * | 1983-04-25 | 1984-11-13 | Westinghouse Electric Corp. | Elevator emergency control system |
| CN2847726Y (en) * | 2005-07-29 | 2006-12-13 | 吴喜峰 | Communication device special for lift |
| CN201601728U (en) * | 2009-09-18 | 2010-10-06 | 常州易网通讯有限公司 | ENC elevator professional intercom system |
| CN203313341U (en) * | 2013-04-28 | 2013-11-27 | 北京科苑隆科技有限公司 | Elevator intercom integrated system |
| CN104410759A (en) * | 2014-11-14 | 2015-03-11 | 广州广日电梯工业有限公司 | Digital speech communication device for elevator and communication method |
| CN108429570A (en) * | 2018-03-14 | 2018-08-21 | 广州科坦电子技术有限公司 | A kind of five side's intercom system of numerical model analysis |
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